Question 0The function of ribosomes in cell isA.protein synthesisB.starch synthesisC.transport of materialsD.lipid storageE.Objective Show full explanation
Question 0Which of the following structures is common to Euglena, white blood cell and Amoeba?A.VacuoleB.Cell wallC.CiliaD.Cell membraneE.Objective Show full explanation
Question 0The term 'Thyllophyta'refers toA.ferns and mossesB.algae and fungiC.mosses and liverwortsD.fungi and fernsE.Objective Show full explanation
Question 0The following organisms are hermaphrodites EXCEPTA.snailB.TaeniaC.SchistosomaD.Earth wormE.Objective Show full explanation
Question 0Parasitic form are NOT found amongA.platyhelminthesB.nematodesC.molluscesD.annelidsE.Objective Show full explanation
Question 0Which of the following sets of organisms represents the correct trends from simple to complex structural organization? 1. Mollusca 2. Platyhelminthes 3. Nematoda 4. ProtozoaA.4 → 1 → 2 → 3B.4 → 3 → 2 → 1C.4 → 2 → 1 → 3D.4 → 2 → 3 → 1E.Objective Show full explanation
Question 0Spirogyra, Euglena and Chlamydomonas share many characteristics EXCEPTA.nutritionB.reproductionC.mobilityD.irritabilityE.Objective Show full explanation
Question 0The prothallus of fern is equivalent to the gametophyte generation of moss because itA.is inconspicuousB.has rhizoidsC.bears sexual organD.is multicellularE.Objective Show full explanation
Question 0What is the function of Trichocyst in paramecium?A.MovementB.DefenceC.ExcretionD.ReproductionE.Objective Show full explanation
Question 0The long and coiled intestine of a young tadpole ia an adaptation to itsA.herbivorious dietB.carnivororus dietC.aquatic habitatD.insectivorous habitE.Objective Show full explanation
Question 0Lungs hooks are used for respiration inA.spidersB.insectsC.millipedesD.snailsE.Objective Show full explanation
Question 0Insects and millipede have many features in common EXCEPTA.exoskeletonB.jointed appendagesC.compound eyesD.segmented bodyE.Objective Show full explanation
Question 0The major function of the swim-bladder in fishes isA.breathingB.buoyancyC.swimmingD.divingE.Objective Show full explanation
Question 0Which of the following statements gives the BEST description of bark?A.Tissue outside the vascular cambiumB.Cork-like tissue found only in stemsC.Brown tissue never found in primary growthD.Cork-like tissues of old treesE.Objective Show full explanation
Question 0In the transverse section of the leaf of maize vascular bundles are arranged inA.a rowB.one circleC.alternate positionD.two circlesE.Objective Show full explanation
Question 0If an animal has diastema, it would NOT possesA.incissorsB.canninesC.premolarsD.molarsE.Objective Show full explanation
Question 0If the gall bladder of a mammal is damaged, which of the following will be most seriously affected?A.GlycolysisB.Digestion of starchC.Digestion of fats and oilD.Digestion of proteinsE.Objective Show full explanation
Question 0Which of the following will be first digested if ingested at the same time?A.Cooked beansB.Cooked riceC.cod liver oilD.Roasted beefE.Objective Show full explanation
Question 0If the phloem of a healthy plant is killed by heat treatment theA.the upward movement of salt will ceaseB.food manufactured in the leaves will accumulateC.whole plant will die immediatelyD.leaves of the plant will become yellowE.Objective Show full explanation
Question 0In the mammalian respiratory system, exchange of gases occurs in theA.lungsB.bronchiC.bronchiolesD.alveoliE.Objective Show full explanation
Question 0The main waste products formed in plants areA.alkaloids tannins and resinsB.water, alkaloids and carbondioxdeC.oxygen, carbondioxide and alkaloidsD.water, carbondioxide and oxygenE.Objective Show full explanation
Question 0In the kidney, the malpighian corpuscles is located in theA.medullaB.hiliumC.cortexD.pelvisE.Objective Show full explanation
Question 0The skin, through the sweat glands, function asA.an excretory organB.a respiratory organC.a sensory organD.a protective organE.Objective Show full explanation
Question 0Parenchyma cells are serves as supporting tissue when theyA.contain chloroplastB.have crystalsC.become flaccidD.become turgidE.Objective Show full explanation
Question 0Taxism differs from tropism becauseA.the whole organism is affectedB.it is a directional movementC.it is a response to multi directional stimuliD.part of the organism is affectedE.Objective Show full explanation
Question 0A dry dehiscent fruit which breaks up into one-seeded part is aA.schizocarpB.capsuleC.follicleD.legumeE.Objective Show full explanation
Question 0Airspace are characteristic of seeds of fruits dispersed byA.birdsB.waterC.windD.explosive mechanismE.Objective Show full explanation
Question 0In vegetation propagation, which of the following requires part of another plant to develop?A.ScionB.BulbC.RhizomeD.SuckerE.Objective Show full explanation
Question 0Which of these plants groups are normally propagated by asexual means?A.Banana, yam, pineapple and cassavaB.Yam, cassava, rubber and bananaC.Yam, cassava, orange and bananaD.Banana, cashew, coffee and pineappleE.Objective Show full explanation
Question 0In a mammal, the placenta performs functions similar to those to theA.lungs kidneys and digestive systemB.lungs, heart and nervous systemC.liver, intestines and reproductive systemD.intestine, heart and digestive systemE.Objective Show full explanation
Question 0The radicle of a bean seedling grows most rapidly in the regionA.of the root tipB.just above the root tipC.just around the root tipD.just below the root tipE.Objective Show full explanation
Question 0The main function of the choroid isA.protection of the eye ballB.transmission of lightC.supply of nutrient to tissue of the eyeD.converging lightE.Objective Show full explanation
Question 0What part of the central nervous system is concerned with answering an examination questionA.CerebrumB.CerebellumC.Medulla oblongataD.Spinal cordE.Objective Show full explanation
Question 0If a dark-skinned woman (Bb) marries an albino man (bb) and they have four children, how many of the children will be dark-skinned?A.3B.2C.1D.NoneE.Objective Show full explanation
Question 0A red-coloured flower when crossed with a white-coloured one produced pink flowers. This is an example ofA.complete dominanceB.blending inheritanceC.interaction of genesD.back crossingE.Objective Show full explanation
Question 0The turbidity of a pond can be measured using theA.anaemometerB.secchi discC.theodoliteD.hydrometerE.Objective Show full explanation
Question 0The most important substance necessary for the maintenance of life are carbon , oxygenA.hydrogen, soil and enzymesB.hydrogen, salt and waterC.nitrogen, salt and soilD.nitrogen, salt and waterE.Objective Show full explanation
Question 0IF an organism obtains its food by means of haustoria, it is said to beA.holophyticB.heterophyticC.saprophytismD.parasiticE.Objective Show full explanation
Question 0Which of the following relationship involves only one organism?A.SaprophytismB.commensalismC.ParasitismD.SymbiosisE.Objective Show full explanation
Question 0Which of the following has the greatest influence on the distribution of animals in marine and fresh water habitats?A.pHB.SalinityC.Water currentD.TurbidityE.Objective Show full explanation
Question 0Which of these groups of animals is likely to be found in fresh water?A.Blood worm, pond skater and scorpionB.Blood worm, pond skater and dragonfly larvaC.pond skater, scropion and dragonfly larvaD.Pond skater, blood worm and ant-lionE.Objective Show full explanation
Question 0One of the characteristics of plants in the savanna is theA.possession of thin, smoth barksB.possession of large tap rootC.production of seedlings on mother plantD.possession of thick, flaky barkE.Objective Show full explanation
Question 0Which of the following diseases can be contracted in areas with fast flowing rivers?A.SchistosomiasisB.ElephantiasisC.SyphilisD.OnchoceriasisE.Objective Show full explanation
Question 0Which of the following causes pollution?A.Consumption of canned drinkB.The addition of fertilizer to farmlandC.Respiration of living organismD.Burning of refuseE.Objective Show full explanation
Question 0The mineral nutrient that is most bound to the soil isA.phosphorusB.calciumC.ironD.potassiumE.Objective Show full explanation
Question 0The mineral nutrient that easily gets leached out of the soil isA.phosphorusB.calciumC.magnesiumD.nitrateE.Objective Show full explanation
Question 0Most commercial fertilizers are rich in salts ofA.sodium, iron and calciumB.nitrogen, phosphorus and potassiumC.iron, copper and nitrogenD.calcium, sodium and phosphorusE.Objective Show full explanation
Question 0Dead plants and animals are decomposed by bacteria and fungi intoA.nitrateB.nitritesC.amino acidsD.ammoniaE.Objective Show full explanation
Question 0At what stage in this cycle can man be infected?A.2B.4C.5D.6E.Objective Show full explanation
Question 0Which stage is found in the muscle of an infected pig?A.3B.4C.5D.6E.Objective Show full explanation